3471997716 has 144 divisors (see below), whose sum is σ = 9934142400. Its totient is φ = 1047879360.

The previous prime is 3471997681. The next prime is 3471997717. The reversal of 3471997716 is 6177991743.

3471997716 is a `hidden beast` number, since 3 + 471 + 99 + 77 + 16 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3471997717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5083111 + ... + 5083793.

It is an arithmetic number, because the mean of its divisors is an integer number (68987100).

Almost surely, 2^3471997716 is an apocalyptic number.

3471997716 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3471997716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4967071200).

3471997716 is an abundant number, since it is smaller than the sum of its proper divisors (6462144684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3471997716 is a wasteful number, since it uses less digits than its factorization.

3471997716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107 (or 1088 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 54.

The square root of 3471997716 is about 58923.6600696189. The cubic root of 3471997716 is about 1514.2345235997.

The spelling of 3471997716 in words is "three billion, four hundred seventy-one million, nine hundred ninety-seven thousand, seven hundred sixteen".